Network-Wide Structures Project(Wellington and McNaughton)

Environmental Assessments and Addendums under the Transit Project Assessment Process

To support the GO Expansion program, Metrolinx has identified various infrastructure requirements including track and switches, layovers, and electrification to achieve established service level targets across the network. New infrastructure involves carrying out Environmental Assessments (EA) and EA Addendums under the Transit Project Assessment Process (TPAP) (Ontario Regulation 231/08).

GO Expansion is intended to provide more service with more frequent and faster trains, improved and new stations, and seamless connections to a regional rapid transit network. As part of the GO Expansion program, Metrolinx has identified the need to reduce the number of road and rail at-grade crossings along the corridors to enhance safety, on time performance, operational flexibility/reliability and reduce traffic conflicts.

Through the Network-Wide Structures Project, road-rail grade separations and crossing improvements have been proposed along various GO rail corridors, and include:

Wellington Street East Grade Separation on the Barrie Corridor in the Town of Aurora

McNaughton Road Grade Separation on the Barrie Corridor in the City of Vaughan

These projects will address the at-grade crossings, accommodate rail line expansion including construction of new track, and assess proposed options for road-rail grade separation at these locations.

Find out about our upcoming public meetings and other participation opportunities.

About GO Expansion

To get people moving we are actively building and upgrading existing GO Rail stations, adding new track, building and opening new maintenance and storage facilities, expanding and revitalizing bridges around our region and improving pedestrian connections. Learn more about the GO Expansion program where you can also review the GO Expansion Business Case.

Investing in our future

Year after year, train by train, bus by bus, Metrolinx has committed to constantly improving transit for people living in in the Greater Golden Horseshoe. Now, that work is taking on a whole new energy. Thanks to a huge investment in infrastructure, Metrolinx is working to quadruple GO Rail service and improve customer experiences.

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